Add to Cart 3.55 8.2in 10 Bolt GM RICHMOND MSRP: Now: $494.99 Was: Ring and Pinion - 3.55 Ratio - 25 Spline Pinion - 3 Series - 8.2 in - GM 10-Bolt - Kit RIC49-0015-1
Add to Cart 3.73 8.5in 10 Bolt GM RICHMOND MSRP: Now: $356.99 Was: Ring and Pinion - 3.73 Ratio - 30 Spline Pinion - 8.5 in / 8.625 in - GM 10-Bolt - Kit RIC49-0041-1